<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta content="IE=edge" http-equiv="X-UA-Compatible">
    <meta content="width=device-width, initial-scale=1.0" name="viewport">
    <title>博客列表</title>
    <link href="css/list.css" rel="stylesheet">
    <link href="css/blog_list.css" rel="stylesheet">
    <script src="js/jquery.min.js"></script>
    <style>
        
        .nav{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 50px;
        }
        .container{
            padding-top: 80px;
            height: auto;
        }
        .container-right{
            width: auto;
        }
        .blog-pagnation-wrapper{
            height: 40px;
            margin: 16px 0;
            text-align: center;
        }
        .blog-pagnation-item{
            display: inline-block;
            padding: 8px;
            border: 1px solid #d0d0d5;
            color: #333;
        }
        .blog-pagnation-item:hover{
            background: #4e4eeb;
            color: #fff;
        }
        .blog-pagnation-item.actvie{
            background: #4e4eeb;
            color: #fff;
        }

    </style>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img alt="" src="img/100310452_p0_master1200.jpg">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="blog_list.html">主页</a>
        <a href="blog_edit.html">写博客</a>
        <a href="login.html">登陆</a>
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="container">
        <!-- 右侧内容详情 -->
        <div class="container-right" style="width:100%;">
            <!-- 每一篇博客包含标题, 摘要, 时间 -->
            <div id="artListDiv">
            </div>
           
            <hr>
            <div class="blog-pagnation-wrapper">
                <button class="blog-pagnation-item" onclick="goFirstPage()">首页</button>
                <button class="blog-pagnation-item" onclick="goBeforePage()">上一页</button>
                <button class="blog-pagnation-item" onclick="goNextPage()">下一页</button>
                <button class="blog-pagnation-item" onclick="goLastPage()">末页</button>
            </div>
        </div>
    </div>

    <script>
        // 当前页码
        var pindex=1;
        //每页显示条数
        var psize=2;
        //最大页数
        var pcount=1;
        //1. 先尝试得到当前url中的页码
        pindex = (getUrlValue("pindex")==""?1:getUrlValue("pindex"));
        //2.查询后端接口得到当前页面的数据，进行展示
        function initPage(){
           jQuery.ajax({
            url:"/art/listbypage",
            type:"POST",
            data:{"pindex":pindex,"psize":psize},
            success:function(result){
                if(result!=null && result.code==200 && result.data.list.length>0){
                    var artListHtml = "";
                    for(var i=0;i<result.data.list.length;i++){
                        var articleinfo = result.data.list[i];
                        artListHtml +='<div class="blog">';
                        artListHtml +='<div class="title">'+articleinfo.title+'</div>';
                        artListHtml +='<div class="date">'+articleinfo.updatetime+'</div>';
                        artListHtml +='<div class="desc">'+articleinfo.content+'</div>';
                        artListHtml +='<a href="blog_content.html?id='+ articleinfo.id
                            +'" class="detail">查看全文 &gt;&gt;</a>';
                        artListHtml +='</div>';    
                    }
                    jQuery("#artListDiv").html(artListHtml);
                    pcount = result.data.pcount;
                }
            }
           });     
        }
        initPage();
                         //获取当前url参数的公共方法
                         function getUrlValue(key){
                var params=location.search;
                if(params.length>1){
                    params=location.search.substring(1);
                    var paramArr=params.split("&");
                    for(var i=0;i<paramArr.length;i++){
                        var kv=paramArr[i].split("=");
                        if(kv[0]==key){
                        //是我要查询的参数
                        return kv[1];
                    }
                    }
                }
                return "";
            }

            function goFirstPage(){
                location.href="blog_list.html";
            }
            //点击上一页按钮
            function goBeforePage(){
                if(pindex<=1){
                    alert("当前已经在首页了");
                    return;
                }
                pindex=parseInt(pindex)-1;
                location.href="blog_list.html?pindex="+pindex;
            }

            //点击下一页按钮
            function goNextPage(){
                if(pindex>=pcount){
                    alert("已经在末页了");
                    return;
                }
                pindex=parseInt(pindex)+1;
                location.href="blog_list.html?pindex="+pindex;
            }

            function goLastPage(){
                if(pindex>=pcount){
                    alert("已经在末页了");
                    return;
                }
                location.href="blog_list.html?pindex="+pcount;
            }
    </script>
</body>
</html>